TABLE 2:

Accuracy of PSV and SNI in identifying significant (NASCET ≥ 70%) stenoses at a Doppler PSV threshold of 250 cm/s

NASCET StenosisPSV ThresholdCorresponding SNI
>250 cm/s<250 cm/s>33<33
≥70%132141
<70%413314
  • Note.—Data are number of arteries (N = 32).